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A252951 Number of (n+2)X(7+2) 0..2 arrays with every consecutive three elements in every row, column and nw-se diagonal having exactly two distinct values, and new values 0 upwards introduced in row major order 0
776160, 5419521, 52118784, 603797472, 7763464440, 104852356227, 1453390671726, 20393839045575, 287973042727734, 4079571555719709, 57885342203674728, 821897508461611833 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A252952

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

Some solutions for n=1

..0..0..1..0..0..2..2..0..0....0..0..1..0..1..0..0..2..0

..2..0..0..1..1..2..2..0..2....1..1..2..2..0..0..1..0..0

..2..2..1..1..0..1..0..1..0....0..1..1..2..1..1..0..0..1

CROSSREFS

Sequence in context: A151562 A023348 A089007 * A145687 A244071 A157357

Adjacent sequences:  A252948 A252949 A252950 * A252952 A252953 A252954

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 25 2014

STATUS

approved

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Last modified January 24 00:05 EST 2022. Contains 350515 sequences. (Running on oeis4.)